CreateSecret.sh

# Set the right K8s context
kubectl config use-context <some_context>

# Delete old secret
kubectl delete secret postgres-credentials

# Create new secret
kubectl create secret generic postgres-credentials \
    --from-literal=DB_HOST=<new_host> \
    --from-literal=DB_PORT=5432 \
    --from-literal=DB_USER=dbuser@<new_host> \
    --from-literal=DB_PASS=SuperSecret \
    --from-literal=DB_NAME=my_db